# Free Calculators for Stores and Websites | RevenueWorks > Free calculators for online stores and websites: website cost, ROAS, Shopify fees, margin and Shopify cost. No sign-up, nothing is saved. Source: https://revenueworks.ai/tools Language: en --- Free tools # Calculators for stores and websites Work out what your website costs, when advertising pays off and what is left per sale. Everything runs in your browser, without sign-up. Nothing is saved. [For any website ## Website Check: SEO and AI Visibility Free check in seconds: 19 points on SEO, schema, AI crawlers, sitemap and llms.txt, with concrete tips. Open calculator](https://revenueworks.ai/website-check) [For anyone planning a website ## Website Cost Calculator What does a website cost? One-time and running costs by type, provider and add-ons. Open calculator](https://revenueworks.ai/tools/website-kosten-rechner) [For stores with an ad budget ## ROAS and Break-even Calculator From which ROAS does advertising pay off? Break-even ROAS, maximum CPA and profit after ads. Open calculator](https://revenueworks.ai/tools/roas-rechner) [For Shopify merchants ## Shopify Fees Calculator Payment and transaction fees per sale, with a plan comparison for Basic, Grow and Advanced. Open calculator](https://revenueworks.ai/tools/shopify-gebuehren-rechner) [For online stores ## Margin and Profit Calculator What is left per sale? Profit and margin after cost of goods, shipping, fees, ads and returns. Open calculator](https://revenueworks.ai/tools/marge-rechner) [For anyone planning to use Shopify ## Shopify Cost Calculator What does Shopify really cost? Plan, payment fees, apps and theme per month and year. Open calculator](https://revenueworks.ai/tools/shopify-cost-calculator) [For stores and subscription businesses ## CAC and LTV Calculator What does a new customer cost and what are they worth? CAC, LTV, ratio and payback. Open calculator](https://revenueworks.ai/tools/cac-ltv-rechner) [For online stores ## Returns Cost Calculator What do returns cost per return, month and year? With return shipping, handling and value loss. Open calculator](https://revenueworks.ai/tools/retouren-rechner) [For merchants and freelancers ## Gross-Net VAT Calculator Calculate VAT: from gross to net and back, with common EU rates. Open calculator](https://revenueworks.ai/tools/brutto-netto-rechner) [For stores with a partner programme ## Affiliate Commission Calculator How much commission can you pay? Maximum commission and profit at a planned commission. Open calculator](https://revenueworks.ai/tools/affiliate-provisions-rechner) [For nomads and workcation ## Workcation Cost Calculator Gozo and Malta Cheapest coworking plan for your stay plus your own costs, with prices from Workspace Gozo. Open calculator](https://revenueworks.ai/tools/workcation-kosten-rechner) [Guides](https://revenueworks.ai/guides)[Glossary](https://revenueworks.ai/glossary)[Price index](https://revenueworks.ai/price-index)[How we calculate](https://revenueworks.ai/methodology) ## Calculating is not enough? We build it. Turn the numbers into a plan. Tell us what you have in mind, we reply in writing. 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